Morse Tutor

This is refreshed project created by Bruce E. Hall, w8bh.net . This version is compatible with:…

Meshcore repeater nrf52840 + wio-sx1262 & CN3163 charger

Below is a description of the Meshcore repeater configuration based on the nRF52840 + Wio-SX1262 with…

APRS TNC & Decoder

The idea of this project has raised up  few months ago. However, the final shape is…

One band preselector

This is another version of preselector described here. It’s one-band preselector, 80m in this particular case.…

SDR Preselector for 80/40m

Preselector is a quite narrow input filter intended for receivers, especially needed with present cheap SDR…

Shorten dipole antenna for 80m SSB band

Project of shorten dipole for 80m band idea has raised up during the trip and limited…

CW Paddle Key training simulator on PC

The idea of this project is about learn a CW transmitting & decode with PC computer.…

Chinese Power Amplifier 100W

I purchased the PA 100W kit on Aliexpress for my QRP X1M transceiver. This is exactly…

Balcony antenna for 80-20m by UR5WCA

I made this antenna due to limited area condition in my flat. I wasn’t expect too…

WebSDR 80m band

 WEB SDR 80m The idea of design and implement the WebSDR in my hometown has appeared…